Messages in this thread | | | Subject | Re: [PATCH V6 02/16] perf/x86/intel: Support PERF_SAMPLE_DATA_PAGE_SIZE | From | "Liang, Kan" <> | Date | Mon, 10 Aug 2020 18:36:38 -0400 |
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On 8/10/2020 5:40 PM, Peter Zijlstra wrote: > On Mon, Aug 10, 2020 at 02:24:22PM -0700, Kan Liang wrote: >> The new sample type, PERF_SAMPLE_DATA_PAGE_SIZE, requires the virtual >> address. Update the data->addr if the sample type is set. >> >> The large PEBS is disabled with the sample type, because perf doesn't >> support munmap tracking yet. The PEBS buffer for large PEBS cannot be >> flushed for each munmap. Wrong page size may be calculated. The large >> PEBS can be enabled later separately when munmap tracking is supported. > > > You also get to fix up Power. > > arch/powerpc/perf/core-book3s.c: (PERF_SAMPLE_ADDR | PERF_SAMPLE_PHYS_ADDR))
Sure. I will add one patch for Power.
Thanks, Kan
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